A keen feeling of mental unease, as of annoyance or embarrassment, caused by failure, disappointment, or a disconcerting event: To her chagrin, the party ended just as she arrived.
tr.v.cha·grined, cha·grin·ing, cha·grins
To cause to feel chagrin; mortify or discomfit: He was chagrined at the poor sales of his book. See Synonyms at embarrass.